The card upgrade mainly has two meanings. The first is to upgrade the bank card card, and the second is to upgrade the bank card account.

1. If it is a card upgrade of a bank card, it refers to the upgrade of card-making materials or the upgrade of the chip on the card.

2. If it is an upgrade of bank card account, it can be divided into two types: savings card and credit card. Upgrading of savings card refers to upgrading ordinary users of savings cards to advanced users. Advanced users can enjoy Personal manager services, purchasing financial products at low prices, etc. Credit card upgrades refer to increasing the credit card limit and providing users with more financial services.